Metal window-frame.



H. E. CAMPBELL.

METAL wmoow 'FRAME.

' APPLICATION FILED NOV-13,1916.

1,237,295. I I Patented Aug. 21, 1917.

2 SHEETS-SHEET I.

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II. II LIP I M 38 I I J T l INVENTOR ATTO EY I H. E. CAMPBELL.

METAL WINDOW FRAME.

APPLICATION FILED NOV. l3. l916.

1 37,295 I Patented Aug. 21, 1917 2 SHEETSSHEET 2.

INVENTOR ATTORNEY nanny E. CAMPBELL, on NEW YORK, N. Y.

FIG.

METAL WINDOW-FRAME.

Specification of Letters Patent.

Application filed November 13, 1916. Serial No. 131,060.

To all whom it may concern:

Be it known that I, HARRY E. CAMPBELL, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented a certain new and useful Improvement in Metal Window-Frames, of which the following is a specification.

The invention relates to metalwindowframes, and consists in the construction hereinafter set forth, whereby a calked joint is formed between the lintel and the masonry, and between the jambs and the masonry, so that no draft can enter the building around the top and sides of the' frame; whereby the middle section of the inner wall of each of the hollow jambs may be removed to give access to the interior of said jambs, and whereby any water entering the hollow jambs is drained to a concavity on the front side of the sill.

In the accompanying drawings Figure 1 is a vertical section of my frame on the line 1, 1 of Fig. 4, seen in the direction of the arrow a. Fig. 2 is a similar section on the line 2, 2 of Fig. 4. Fig. 3 is a front elevation of one side of the frame, with parts broken away, and in section on the line 3, 3 of Fig. 1. Fig. 4 is a section on the line 4, 4 of Fig. 2. Fig. 5 is an enlarged horizontal section of a portion of one of the jambs and showing the packed joint between said jamb and the masonry of the window opening. Fig. 6 is a similar section, showing a modified construction of the jamb. Fig. 7 is an enlarged vertical section through an end of the lintel and the upper sash, showing the expansion joint between the upper member of the window frame and the masonry.

Similar letters and numbers of reference indicate like parts.

The frame members comprise a metal sill A, two hollow jambs B, C resting thereon, and a box lintel D on said jambs. In the inner wall of each .jamb are two parallel vertical slots E, F. On the vertical side rails of each of the sashes G, H are laterally projecting metal plates I, J, which pass through said jamb openings. To said plates are secured extension plates K, L which extend to the outer wall 8 of the V j amb. As here shown, the two sashes G, H

counterbalance one another, the connecting chains (one of which is shown vat M) passing over pulleys N journaled within the lintel D.

The jamb c0nstru0tt'0n.Each jamb, B or C, is made in the preferred form, as followsFigs. 4 and. 5: A metal plate is bent substantially at a right angle to form the outer side wall 8 and the rear wall 10. The edges of said plate are bent as shown at 11, 12. The front wall is formed of a plate 13 which is secured to the bent over portion 11 of the outer side wall 8. The inner wall is formed of three sections, namely first, a section 14, forming one arm of a T on the front wall plate 13second, a plate 15 secured to the bent over portion 12 ofrear wall 10, and third, a section 17, forming the arms of va T plate 16, which plate divides the interior of the jamb into two vertical compartments 0, P. The sections of the inner wall are separated so as to produce the vertical slots or openings E, F.

Referring to the first section above noted, the opposite arm 18 of the T extends outwardly beyond the jamb wall 13, Fig. 5, and, therefore, overlaps the vertical edge of the opening in the masonry Q in which the frame is seated. There is also a clearance 19 between said masonry and the wall plate 13. The object of the overlapping arm is to enable the joint between said arm and the masonry to be sealed with cement or other plastic material, as shown at 20, Fig. 5, thus preventing any air leakage between the jamb and said masonry.

Instead of making the arms of the T integral with plate 13, as shown in Fig. 5, I may make the plate 13 integral with outer side wall 8 by extending the bent over portion 11 of said wall to'form the front wall, and then bending over the edge, as shown at 21, Fig. 6, to form a section of the inner wall, and then securing to said portion 21 a plate 22 which overlaps the masonry Q, as before.

The middle section 16 is secured by removable screws 23, 24 to lugs 25, 26, respectively on the sill and lintel bottom. The upper and lower edges of the plate 17 are received between the members of two pairs of fixed guide lugs 27, 28, also respectively located on the sill and lintel bottom. By removing the screws'23, 24, the wall section plate 16 and partition 17 may Patented Aug. 21, 1917.

be removed from the jamb, thus afi'ording access to the parts in the compartments 0, P

thereof.

The Zintel c0nstmwti0n.In the bottom of the lintel is an opening, and two inclined flanges 29, 30, formed by bending up said lintel bottom. Said flanges receive a plate 36 on the upper sash, when said sash is closed.

From Figs. 2 and 7 it will be seen that the 'jamb extends outwardly beyond the lintel, and, therefore, the bottom plate 32 of the lintel, which rests on the jamb, ex-

' end of said concavity is a wall 36. The bottom 37 of the concavity is outwardly and downwardly inclined. In said end walls 36 are vertical recesses 38, Figs. 1, 2, 3, which open into said concavity and also through ,the upper surfaces of the sill within the spaces thereon inclosed by the hollow jambs. Preferably,said recesses each register with the lower end of one of the vertical slots formed in the inner walls of the jambs. Any water accumulating in the jambs is drained into the recesses 38, and thence escapes to the inclined bottom 37 of the concavity, and so over the outer edge thereof. The recesses receive the lower ends of plates J L. 'A plate 39 on the bottom rail of the lower sash, when said sash is in closed position, forms a joint with the flange 35.

From the foregoing it will be seen that I have provided a construction of a metal window frame which allows of the joints between said frame and the sides and top of the window opening to be completely sealed, so that no drafts of air can enter through said joints, and that Iv also provide for draining water accumulated in the jambs to the inclined sill bottom.

I claim:

1. A metal window-frame, comprising hollow jambs and a sill, each of said jambs having its inner 'wall formed in three sections, with vertical slots between them, the

middle section comprising a T-shaped plate and a plate at right angles thereto, the said last-named plate entering said jamb to divide the same into two vertical compartments, and the first-named plate registering with the fixed sections of said wall, and means for detachably securing said middle section to said jamb.

2. Ametal window-frame,comprising hollow jambs and a sill, each of said jambs having its inner wall formed in three sections, with vertical slots between them, the middle section comprising a T-shaped plate and a plate at right angles thereto, the said last-named plate enteringsaid jamb to divide the same into two vertical compartments, and the first-named plate registering with the fixed sections of said wall, fixed lugs within said jamb, and screws passing through said middle section plate and. engaging said lugs.

3. Ametal Window-frame, comprising hollow jambs and a sill, each of said jambs having its inner wall formed in three sections, with Vertical slots between them, the middle section comprising a T-shaped plate and a plate at right angles thereto, the said last-named plate entering said jamb to divide the same into two vertical compartments, and the first-named plate registering with the fixed sections of said wall, means for detachably securing said middle section to said jamb, and pairs of fixed guide lugs secured within said jamb and receiving the edges of said partition plate.

4. A metal window-frame,comprisinghol- -low jambs and a sill, each of said jambs having its inner wall formed in three sections, with vertical slots between them, the middle section comprising a T-shaped plate and a plate at right angles thereto, the said last-named plate entering said jamb to divide the same into two vertical compartments, and the first-named plate registering with the fixed sections of said wall, fixed lugs within said jamb, one of said lugs being.

secured to the bottom of said lintel, and the other of said lugs being secured on said sill, and screws passing through said middle section plate and engaging said lugs.

In testimony whereof I have aflixed my signature in presence of two witnesses.

. HARRY E. CAMPBELL. Witnesses:

GERTRUDE T. PORTER,

MAY T. MCGARRY. 

